Consolidated Statements Of Income (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
INTEREST AND DIVIDEND INCOME
Interest and fees on loans	$ 44,977	$ 45,271	$ 46,041
Investment income:
Interest and dividends on investment securities	11,834	12,644	14,140
Interest on interest earning deposits with banks and other short-term investments	46	103	81
Total interest and dividend income	56,857	58,018	60,262
INTEREST EXPENSE
Savings, interest bearing checking and money market accounts	776	1,167	1,461
Time deposits $100 thousand and greater	1,025	1,135	1,292
Other time deposits	1,750	2,172	2,861
Securities sold under agreement to repurchase and other short-term debt	1,790	2,065	1,623
Interest Expense Long-term debt	1,542	2,105	3,870
Total interest expense	6,883	8,644	11,107
Net interest income	49,974	49,374	49,155
Provision (credit) for credit losses	950	750	(1,750)
Net interest income after provision for credit losses	49,024	48,624	50,905
NONINTEREST INCOME
Changes in fair value on impaired securities	0	(65)	329
Non-credit related (gain) losses on securities not expected to be sold (recognized in other comprehensive income)	0	10	(498)
Net impairment losses	0	(55)	(169)
Net gains on investment securities	507	1,049	2,082
Trust division income	2,685	2,516	2,163
Service charges on deposits	4,078	4,298	4,929
Equity in losses of real estate limited partnerships	(1,516)	(1,766)	(1,672)
Gain on sale of other assets	1,083	0	0
Other	4,644	4,338	4,298
Total noninterest income	11,481	10,380	11,631
NONINTEREST EXPENSE
Compensation and benefits	19,582	20,517	20,499
Occupancy expense	3,826	3,824	3,703
Equipment expense	3,626	3,366	2,932
Legal and professional fees	2,545	2,811	2,443
Marketing	1,841	1,733	1,505
State franchise taxes	1,295	1,265	1,151
FDIC Insurance	866	936	1,415
Prepayment penalty on long-term debt	1,363	861	3,071
Other Real Estate Owned ("OREO") expenses	197	193	(298)
Other	6,193	5,754	6,006
Total noninterest expense	41,334	41,260	42,427
Income before provision for income taxes	19,171	17,744	20,109
Provision for income taxes	3,977	3,124	4,648
NET INCOME	$ 15,194	$ 14,620	$ 15,461
Basic earnings per common share	$ 2.43	$ 2.35	$ 2.51
Diluted earnings per common share	$ 2.42	$ 2.35	$ 2.51